21
UK
For safe function, the sensor housing must be
electrically connected to the counter-electrode
(grounding).
►
Use the housing connection (see drawing) and
a short piece of cable with a wire cross section
of min. 1.5 mm
2
.
When using metal tanks, the tank wall serves as
the machine earth.
For plastic tanks, a counter-electrode must be
provided, e.g. a metal plate inside the tank in
parallel with the probe. Adhere to minimum
distances to the probe.
